Schleswig

Schleswig was a duchy in southern Jutland that existed from 1058 to 1866. Formerly a part of Denmark, the Schleswig region had a large minority of German-speakers, leading to Prussia contesting control of Schleswig with the Danes. The Prussians fought over Schleswig twice, conquering the region after the Second Schleswig War in 1864. In 1920, Schleswig was divided between Prussia and Denmark, with Aabenraa and all of the towns to the north of it joining Denmark.